Grey Mailing Plastic Postal Self Seal 100pcs Bags From Small to Large Sizes Packaging Poly Envelopes for Posting and (Dark Grey) (9" x 12", (Dark/Light))

Self-adhesive strip for easy and secure sealing of the bag. Strong and durable material is hard to tear and waterproof. Black inner layer protects your shipped products from peeping. Ideal for posting and mailing a variety of products through the postal system. Waterproof design provides protection against water damage during transit. These Plastic Postage Bags can be used for any Courier or sealed Airtight storage Purpose ideal for packing items of all types, shapes and sizes.